Portion of a make-up brush



FIG. 1 is a front perspective view of a first embodiment of a portion of a make-up brush;

FIG. 2 is a front elevation view of the first embodiment thereof;

FIG. 3 is a rear elevation view of the first embodiment thereof;

FIG. 4 is a left side elevation view of the first embodiment thereof, the right side elevation view being a mirror image thereof;

FIG. 5 is a top plan view of the first embodiment thereof; and,

FIG. 6 is a bottom plan view of the first embodiment thereof.

The broken lines shown in the drawings illustrate portions of the portion of a make-up brush that form no part of the claimed design. 

CLAIM The ornamental design for a portion of a make-up brush, as shown and described. 